This faraway, ancient ball of stars may have been captured from another galaxy that passed too close to the Milky Way.

A new study shows that the event that wiped out the dinosaurs caused only a small drop in shark and ray species at the same ...

NASA's IR space scope explores the Milky Way’s most prolific star-forming region, cracking open new secrets of how stars form ...

Commissioned with observing high-energy events, particularly solar flares, the High-Energy Solar Spectroscopic Imager (later renamed the Reuven Ramaty High-Energy Solar Spectroscopic Imager; RHESSI) ...

In the late 1970s, Vera Rubin and Kent Ford of the Carnegie Institution of Washington stared, confused, at the punch-card readouts from their observations of the Andromeda Galaxy. The vast spiral ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

(This article was originally published in the May 2022 issue of Astronomy). St. Augustine said of time, “If no one asks me, I know what it is. If I wish to explain to him who asks, I don’t know.” Time ...

Whether you’re looking for a new telescope, eyepiece, binoculars, or anything else you need to up your observing game, we’ve got you covered.

We’re getting ready to say goodbye to the summertime constellations, including Cygnus the Swan, now about 40° high in the west two hours after sunset. Before this famous star pattern disappears, ...

Karen Meech doesn’t spend a lot of time digging through Earth’s rocks. An astronomer by trade, she is usually behind the telescope, investigating comets and looking for hints about how Earth got its ...